| Greater sciatic foramen | |
|---|---|
 The pelvis showing the greater sciatic foramen in red | |
| Details | |
| Identifiers | |
| Latin | foramen ischiadicum majus |
| TA98 | A03.6.03.008 |
| TA2 | 1316 |
| FMA | 17031 |
| Anatomical terminology | |
The greater sciatic foramen is an opening (foramen) in the posterior human pelvis. It is formed by the sacrotuberous and sacrospinous ligaments. The piriformis muscle passes through the foramen and occupies most of its volume. The greater sciatic foramen is wider in women than in men.